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根据标准2.1.1.5 Energy hazards中
+ N& m+ f, b. [c) The existence of a HAZARDOUS ENERGY LEVEL is determined as follows:7 a% i, p; }$ G( p, R% R q: _
1) with the equipment operating under normal operating conditions, a variable resistive
/ J, Z9 c4 I6 _* Vload is connected to the parts under consideration and adjusted to obtain a level of) l2 ` c! G( } D6 h9 p! V
240 VA. Further adjustment is made, if necessary, to maintain 240 VA for a period of
9 h3 ~; X" ], o+ h+ a1 p60 s. If the voltage is 2 V or more, the output power is at a HAZARDOUS ENERGY LEVEL,
( t) {- p3 j9 X* t: _* ^1 Hunless an overcurrent protective device opens during the above test, or for any other1 ?! E: T1 x, t
reason the power cannot be maintained at 240 VA for 60 s;4 w4 ?# w f/ A2 @0 S9 B2 G
$ B7 U6 B3 u0 |2 ~为什么说电压是2V或更高，输出功率是处于危险能量等级？这个电压是指什么电压？为什么是2V？这段好像看不太懂，那位大侠指导下吧 |
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发表于 2011-3-1 13:15
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发表于 2011-3-1 13:28
我找了好久,也找不到支持這個詞"2V"定義的依據.